Maddock Threshold Days by Year (USC00325434)

18 fixed thresholds counted per year at Maddock (USC00325434): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Maddock Thresholds

Maddock: days with 10 mm (0.39 in) or more of precipitation in 73 years, most in 1921 with 20.
Maddock: days with 25 mm (0.98 in) or more of precipitation in 68 years, most in 1921 with 7.
Maddock: nights with a minimum temperature at or below 0 C (32 F) in 58 years, most in 1917 with 230.
Maddock: nights with a minimum temperature at or below -10 C (14 F) in 58 years, most in 1950 with 130.
18 fixed thresholds have at least one qualifying day at Maddock.

Days at or above 30 C (86 F)

56 years with a qualifying day

Days per year at Maddock with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 62 in 1936.

Days at or above 30 C (86 F) per year at Maddock
Year	Days	Decade average
1915	16	29.2
1916	29	29.2
1917	41	29.2
1918	19	29.2
1919	41	29.2
1920	34	27.2
1921	33	27.2
1923	26	27.2
1924	15	27.2
1925	36	27.2
1926	34	27.2
1927	14	27.2
1928	17	27.2
1929	36	27.2
1930	37	46.8
1931	52	46.8
1932	37	46.8
1933	50	46.8
1934	60	46.8
1935	35	46.8
1936	62	46.8
1937	52	46.8
1938	42	46.8
1939	41	46.8
1940	46	31
1941	33	31
1942	15	31
1943	37	31
1944	24	31
1945	19	31
1946	33	31
1947	38	31
1948	42	31
1949	23	31
1950	15	29
1951	14	29
1952	42	29
1953	33	29
1954	15	29
1955	43	29
1956	22	29
1957	23	29
1958	27	29
1959	56	29
1960	45	36.7
1961	58	36.7
1962	16	36.7
1963	44	36.7
1964	29	36.7
1966	39	36.7
1967	45	36.7
1968	20	36.7
1969	34	36.7
1970	43	33
1971	26	33
1972	30	33

For each year, a bar from the first to the last day at Maddock meeting 30 C (86 F).

First to last qualifying date each year at Maddock
Year	First date	Last date
1915	1915-04-14	1915-09-05
1916	1916-07-05	1916-09-04
1917	1917-05-15	1917-09-23
1918	1918-05-04	1918-08-04
1919	1919-05-27	1919-08-23
1920	1920-06-07	1920-10-08
1921	1921-05-21	1921-09-03
1923	1923-06-03	1923-09-21
1924	1924-07-06	1924-08-30
1925	1925-05-19	1925-09-04
1926	1926-04-29	1926-08-31
1927	1927-06-26	1927-09-14
1928	1928-05-07	1928-09-06
1929	1929-06-15	1929-09-02
1930	1930-05-03	1930-09-18
1931	1931-05-14	1931-09-29
1932	1932-05-13	1932-09-09
1933	1933-05-31	1933-09-19
1934	1934-05-05	1934-10-13
1935	1935-06-29	1935-09-22
1936	1936-05-11	1936-10-08
1937	1937-05-27	1937-09-22
1938	1938-06-18	1938-10-10
1939	1939-05-05	1939-09-21
1940	1940-05-11	1940-09-18
1941	1941-05-18	1941-09-19
1942	1942-07-10	1942-09-11
1943	1943-05-22	1943-10-10
1944	1944-05-29	1944-08-19
1945	1945-06-21	1945-09-06
1946	1946-05-28	1946-09-16
1947	1947-04-28	1947-09-05
1948	1948-05-19	1948-09-29
1949	1949-05-12	1949-10-05
1950	1950-06-06	1950-09-07
1951	1951-05-23	1951-08-23
1952	1952-04-19	1952-09-27
1953	1953-05-07	1953-10-01
1954	1954-05-20	1954-09-01
1955	1955-05-02	1955-09-17
1956	1956-05-21	1956-09-26
1957	1957-07-01	1957-08-10
1958	1958-05-11	1958-10-13
1959	1959-05-17	1959-09-14
1960	1960-05-12	1960-09-20
1961	1961-05-21	1961-08-31
1962	1962-06-13	1962-09-02
1963	1963-05-02	1963-10-05
1964	1964-05-20	1964-08-19
1966	1966-05-21	1966-09-13
1967	1967-05-24	1967-09-12
1968	1968-06-02	1968-08-06
1969	1969-05-14	1969-09-14
1970	1970-05-17	1970-09-19
1971	1971-07-02	1971-09-03
1972	1972-05-15	1972-09-19

Every Fixed Threshold

Fixed thresholds at Maddock
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	56	62	1936	30
35 C (95 F): Days	50	25	1936	4
40 C (104 F): Days	12	7	1936	1
90 F (32.2 C): Days	56	46	1936	16
100 F (37.8 C): Days	28	13	1936	1
110 F (43.3 C): Days	1	1	1936	1
0 C (32 F): Ice days (max	56	130	1950	87
0 C (32 F): Frost days (min	58	230	1917	174
-10 C (14 F): Days with min	58	130	1950	88
-20 C (-4 F): Days with min	58	80	1950	43
-30 C (-22 F): Days with min	57	40	1936	13
-40 C (-40 F): Days with min	8	6	1936	1
20 C (68 F): Tropical nights (min	30	8	1919	2
25 C (77 F): Days with min	3	3	1931	1
10 mm (0.39 in): Days with 10 mm or more rain	73	20	1921	16
25 mm (0.98 in): Days with 25 mm or more rain	68	7	1921	4
50 mm (1.97 in): Days with 50 mm or more rain	26	2	1921	1
10 cm (3.9 in): Days with 10 cm or more snowfall	22	6	1979	3

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.

Download the Data

Data for Maddock threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Maddock Threshold Days by Year (USC00325434)

Key Facts for Maddock Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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